16880216 has 8 divisors (see below), whose sum is σ = 31650420. Its totient is φ = 8440104.

The previous prime is 16880203. The next prime is 16880221. The reversal of 16880216 is 61208861.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055006 + ... + 1055021.

Almost surely, 2^16880216 is an apocalyptic number.

It is an amenable number.

16880216 is a deficient number, since it is larger than the sum of its proper divisors (14770204).

16880216 is a wasteful number, since it uses less digits than its factorization.

16880216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110033 (or 2110029 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 16880216 is about 4108.5540035394. The cubic root of 16880216 is about 256.5228166407.

The spelling of 16880216 in words is "sixteen million, eight hundred eighty thousand, two hundred sixteen".